Group 1 - Haier Smart Home Co., Ltd. has obtained a patent for a "control method, control device, and heat exchange system for heat exchange systems," with authorization announcement number CN118816373B, applied on July 2023 [1] - Qingdao Haier Air Conditioning Co., Ltd., established in 1996, has a registered capital of 9,363.8162532 million RMB and has invested in 20 companies, participated in 4,888 bidding projects, and holds 259 trademark records and 5,000 patent records [1] - Qingdao Haier Air Conditioning Electronics Co., Ltd., established in 1999, has a registered capital of 9,670.9088914 million RMB, invested in 14 companies, participated in 4,723 bidding projects, and holds 124 trademark records and 5,000 patent records [1] Group 2 - Qingdao Haier Intelligent Technology Research and Development Co., Ltd., established in 2014, has a registered capital of 1,300 million RMB, invested in 9 companies, participated in 7 bidding projects, and holds 22 trademark records and 5,000 patent records [2] - Haier Smart Home Co., Ltd., established in 1994, has a registered capital of 94,381.14893 million RMB, invested in 59 companies, participated in 1,894 bidding projects, and holds 289 trademark records and 5,000 patent records [2]